"Negotiations need to begin in the next two months ... before it creates upheavals and tensions that will not be easily overcome. Ideally, the dividing line should be a return to the status quo ante. Pursuing the war beyond that point would turn it into a war not be about the freedom of Ukraine ... but a new war against Russia itself. ... Parties should be brought to peace talks within the next two months. Ukraine should've been a bridge between Europe and Russia, but now, as the relationships are reshaped, we may enter a space where the dividing line is redrawn and Russia is entirely isolated. ... We are facing a situation now where Russia could alienate itself completely from Europe and seek a permanent alliance elsewhere. This may lead to Cold War-like diplomatic distances, which will set us back decades. We should strive for long-term peace..."
January 1, 1970
https://en.wikiquote.org/wiki/Henry_Kissinger